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[PATCH v3 1/6] target/arm: Support 32-byte alignment in pow2_align
From: |
Richard Henderson |
Subject: |
[PATCH v3 1/6] target/arm: Support 32-byte alignment in pow2_align |
Date: |
Fri, 1 Mar 2024 10:41:05 -1000 |
Now that we have removed TARGET_PAGE_BITS_MIN-6 from
TLB_FLAGS_MASK, we can test for 32-byte alignment.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/arm/tcg/translate.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/target/arm/tcg/translate.c b/target/arm/tcg/translate.c
index f947c62c6b..c8a2470675 100644
--- a/target/arm/tcg/translate.c
+++ b/target/arm/tcg/translate.c
@@ -900,13 +900,7 @@ static inline void store_reg_from_load(DisasContext *s,
int reg, TCGv_i32 var)
MemOp pow2_align(unsigned i)
{
static const MemOp mop_align[] = {
- 0, MO_ALIGN_2, MO_ALIGN_4, MO_ALIGN_8, MO_ALIGN_16,
- /*
- * FIXME: TARGET_PAGE_BITS_MIN affects TLB_FLAGS_MASK such
- * that 256-bit alignment (MO_ALIGN_32) cannot be supported:
- * see get_alignment_bits(). Enforce only 128-bit alignment for now.
- */
- MO_ALIGN_16
+ 0, MO_ALIGN_2, MO_ALIGN_4, MO_ALIGN_8, MO_ALIGN_16, MO_ALIGN_32
};
g_assert(i < ARRAY_SIZE(mop_align));
return mop_align[i];
--
2.34.1
- [PATCH v3 0/6] target/arm: Do memory alignment check for device memory, Richard Henderson, 2024/03/01
- [PATCH v3 1/6] target/arm: Support 32-byte alignment in pow2_align,
Richard Henderson <=
- [PATCH v3 2/6] exec/memattrs: Remove target_tlb_bit*, Richard Henderson, 2024/03/01
- [PATCH v3 3/6] accel/tcg: Add tlb_fill_flags to CPUTLBEntryFull, Richard Henderson, 2024/03/01
- [PATCH v3 5/6] target/arm: Do memory type alignment check when translation disabled, Richard Henderson, 2024/03/01
- [PATCH v3 4/6] accel/tcg: Add TLB_CHECK_ALIGNED, Richard Henderson, 2024/03/01
- [PATCH v3 6/6] target/arm: Do memory type alignment check when translation enabled, Richard Henderson, 2024/03/01
- Re: [PATCH v3 0/6] target/arm: Do memory alignment check for device memory, Peter Maydell, 2024/03/04